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I/280B/ascc All-sky Compiled Catalogue of 2.5 million stars (Kharchenko+ 2009)
ASCC-2.5 V3: All-sky Compiled Catalogue of 2.5 million stars, 3rd version (2501313 rows)
  TYC1=3986, TYC2=00365, TYC3=1
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ColumnValue  Explain   (UCD)
_RAJ200022 23 07.0161308 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000+55 57 47.627061 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195022 21 14.0107577 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950+55 42 35.633945 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon103.2047922390 deg Galactic longitude at Epoch=J1991.25, proper motions taken into account (pos.galactic.lon)
_Glat-01.1204759792 deg Galactic latitude at Epoch=J1991.25, proper motions taken into account (pos.galactic.lat)
216069recno 216069  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

RAJ2000335.77924734 deg (i) Right Ascension J2000.0, epoch 1991.25 (pos.eq.ra;meta.main)
e_RAJ2000 0.4 mas Standard error in RA*cos(DEdeg) (stat.error)
DEJ2000+55.96323584 deg (i) Declination J2000.0, epoch 1991.25 (pos.eq.dec;meta.main)
e_DEJ2000 0.1 mas Standard error in DEdeg (stat.error;pos.eq.dec)
Plx 1.22 mas Trigonometric parallax (Note)   (pos.parallax.trig)
e_Plx 0.54 mas Standard error in Plx (Note)   (stat.error;pos.parallax)
pmRA -3.10 mas/yr Proper Motion in RA*cos(DE) (pos.pm;pos.eq.ra)
e_pmRA 0.75 mas/yr Standard error in pmRA (stat.error;pos.pm;pos.eq.ra)
pmDE -2.51 mas/yr Proper Motion in Declination (pos.pm;pos.eq.dec)
e_pmDE 0.76 mas/yr Standard error in pmDE (stat.error;pos.pm;pos.eq.dec)
Bmag 8.772 mag B magnitude in Johnson system (Note)   (phot.mag;em.opt.B)
e_Bmag 0.017 mag Standard error on Bmag (Note)   (stat.error;phot.mag;em.opt.B)
Vmag 6.504 mag (i) V magnitude in Johnson system (Note)   (phot.mag;em.opt.V)
e_Vmag 0.004 mag Standard error on Vmag (Note)   (stat.error;phot.mag;em.opt.V)
Jmag 3.089 mag J magnitude from 2MASS (469 values of Kmag, 112 of Hmag, and 3 of Jmag have been converted from 0 to null (unknown) [have the X flag in 2MASS]) (Note)   (phot.mag;em.IR.J)
e_Jmag 0.211 mag Standard error on J magnitude (Note)   (stat.error;phot.mag;em.IR.J)
Hmag 2.461 mag H magnitude from 2MASS (469 values of Kmag, 112 of Hmag, and 3 of Jmag have been converted from 0 to null (unknown) [have the X flag in 2MASS]) (Note)   (phot.mag;em.IR.H)
e_Hmag 0.192 mag Standard error on H magnitude (Note)   (stat.error;phot.mag;em.IR.H)
Kmag 2.026 mag K_s magnitude from 2MASS (469 values of Kmag, 112 of Hmag, and 3 of Jmag have been converted from 0 to null (unknown) [have the X flag in 2MASS]) (Note)   (phot.mag;em.IR.K)
e_Kmag 0.238 mag Standard error on K_s magnitude (Note)   (stat.error;phot.mag;em.IR.K)
Scat 0.061 mag Scatter on VT or Hp mag (Note)   (meta.code;src.var)
v1G   [GN ] Known variability from GCVS/NSV (Note)   (meta.code;src.var)
v2V   [UVW ] Variability from Tycho-1 (Note)   (meta.code;src.var)
v3U   [CDMPRU ] Variability type (Note)   (meta.code;src.var)
v4V   [VYIXR ] Variability from CMC11 (Note)   (meta.code;src.var)
d12    [A-S ] CCDM component identifier (Note)   (meta.code.multip)
d3    [A-S ] Component identifier (Note)   (meta.code.multip)
d4Y   [DRSYZ ] Duplicity from Tycho-1 (Note)   (meta.code.multip)
d5    [CGOVX ] Double/Multiple Systems flag (Note)   (meta.code.multip)
d6    [D ] Duplicity flag from PPM (Note)   (meta.code.multip)
SpTypeG8Iavar  Spectral type in MK or HD system (Note)   (src.spType)
TYC13986   TYC1 number from Tycho-2 (Note)   (meta.id)
TYC2 365   TYC2 number from Tycho-2 (Note)   (meta.id)
TYC31   TYC3 number from Tycho-2 (Note)   (meta.id)
HIP110504   Hipparcos number (Note)   (meta.id)
HD212466   HD number (Note)   (meta.id)
DM 5502737   DM number (Note)   (meta.id)
ASCC 215766  (i) [1,2603318] ASCC-2.5 number (Note)   (meta.id;meta.main)

2M2M  Display the 2MASS data (Cutri et al. 2003, Cat. II/246) (meta.ref.url)
  
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